Where does “thornlessness” come from?

thornlessness (English) comes from English thornless, from English thorn, from Middle English þorn, from Old English þorn, from Proto-West Germanic þorn, from Proto-Germanic þurnuz, from Proto-Indo-European tr̥nós, from Proto-Indo-European (s)ter- — strong, firm, stiff, rigid; rigid, stiff; to...

thornlessness (English): Absence of thorns

Definitions

  1. Absence of thorns

Ancestry of “thornlessness”, step by step

thornlessness traces back through two separate lines of ancestry.

via English thornless

StepLanguageWordMeaning
1EnglishthornlessWithout thorns
2EnglishthornA sharp protective spine of a plant; Any shrub or...
3Middle EnglishþornAlternative form of thorn
4Old Englishþornthorn; thorny bush; the runic character ᚦ; the...
5Proto-West Germanicþornthorn, briar
6Proto-Germanicþurnuzthorn, briar
7Proto-Indo-Europeantr̥nóssharp, stiff
8Proto-Indo-European(s)ter-strong, firm, stiff, rigid; rigid, stiff; to...

via English Ness

StepLanguageWordMeaning
1EnglishNessAn Ulster princess and the mother of Conchobar mac Nessa and Findchoem in the Ulster Cycle of Irish mythology. Daughter of Eochaid Sálbuide. Also the mother of Cormac Cond Longas by incest with Conchobar mac Nessa
2Middle Englishnesse
3Old Englishnæsnot, not at all; not; first/third-person singular...
4Proto-Germanicnasjąfoothill; headland; cape
5Proto-Indo-Europeannéh₂snose
Every word from Proto-Indo-European (s)ter-